\(\Leftrightarrow\dfrac{2\cdot3\cdot...\cdot31}{\left(2\cdot3\cdot...\cdot31\right)\cdot\left(2\cdot2\cdot...\cdot2\right)\cdot2^6}=2^x\)
=>2^x=1/2^36
=>x=-36
Tìm x,y,z 1/4.2/6.3/8.4/10.5/12.......30/62.31/64=2^x
1/4×2/6×3/8×4/10×5/12×.....×30/62×1/64=2^x
Tìm x
Tìm x
A, ( x - 1 )^x+2 = ( x - 1 )^x+4
B, 1/4 × 2/6 × 3/8 × 4/10 × 5/12 ×....× 30/62 × 31/64 = 2^x
tìm x biết
\(\frac{1}{4}+\frac{2}{6}+\frac{3}{8}+\frac{4}{10}+\frac{5}{12}+...+\frac{30}{62}+\frac{31}{64}=2^x\)
tìm x biết
\(\frac{1}{4}.\frac{2}{6}.\frac{3}{8}.\frac{4}{10}.\frac{5}{12}....\frac{30}{62}.\frac{31}{64}=4^x\)
\(\dfrac{1}{4}\cdot\dfrac{2}{6}\cdot\dfrac{3}{8}\cdot\dfrac{4}{10}\cdot\dfrac{5}{12}..........\cdot\dfrac{30}{62}\cdot\dfrac{31}{64}=2\)x
Tìm x, biết:
\(\frac{1}{4}\cdot\frac{2}{6}\cdot\frac{3}{8}\cdot\frac{4}{10}\cdot\frac{5}{12}\cdot.....\cdot\frac{30}{62}\cdot\frac{31}{64}=2^x\)
Tìm x, biết
\(\dfrac{1}{4}\cdot\dfrac{2}{6}\cdot\dfrac{3}{8}\cdot\dfrac{4}{10}\cdot\dfrac{5}{12}\cdot...\cdot\dfrac{30}{62}\cdot\dfrac{31}{64}\)=\(4^x\)
Bài 1: Tính hợp lí :
a) B = \(-5,13:[-5\dfrac{5}{28}-(-1\dfrac{8}{9})+1\dfrac{16}{63}]\)
b) C = \(\dfrac{2^{12}.3^5-4^6.3^6}{2^{12}.9^3+8^4.3^5}\)
